X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Frrd_graph.h;h=01b6799c72c2f669795955d504ef6907ad2b5f82;hb=13b2b80a81d0fb22fc19ea95960b6ce71b8558b5;hp=cf9964562a4e1c7e4fe7fc437b76efd735278d3f;hpb=3afb4a0f24aca310f4ceadcd8956380746179f88;p=rrdtool.git

diff --git a/src/rrd_graph.h b/src/rrd_graph.h
index cf99645..01b6799 100644
--- a/src/rrd_graph.h
+++ b/src/rrd_graph.h
@@ -5,8 +5,8 @@
 #include "rrd_rpncalc.h"
 #include "rrd_gfx.h"
 
-#define MAX_VNAME_LEN 29
-#define DEF_NAM_FMT "%29[-_A-Za-z0-9]"
+#define MAX_VNAME_LEN 255
+#define DEF_NAM_FMT "%255[-_A-Za-z0-9]"
 
 #define ALTYGRID  	 0x01	/* use alternative y grid algorithm */
 #define ALTAUTOSCALE	 0x02	/* use alternative algorithm to find lower and upper bounds */
@@ -21,7 +21,7 @@ enum tmt_en {TMT_SECOND=0,TMT_MINUTE,TMT_HOUR,TMT_DAY,
 	     TMT_WEEK,TMT_MONTH,TMT_YEAR};
 
 enum grc_en {GRC_CANVAS=0,GRC_BACK,GRC_SHADEA,GRC_SHADEB,
-	     GRC_GRID,GRC_MGRID,GRC_FONT,GRC_ARROW,GRC_AXIS,__GRC_END__};
+	     GRC_GRID,GRC_MGRID,GRC_FONT,GRC_ARROW,GRC_AXIS,GRC_FRAME,__GRC_END__};
 
 #define MGRIDWIDTH 0.6
 #define GRIDWIDTH  0.4
@@ -42,6 +42,9 @@ enum vdef_op_en {
 		,VDEF_TOTAL	/* average multiplied by time */
 		,VDEF_FIRST	/* first non-unknown value and time */
 		,VDEF_LAST	/* last  non-unknown value and time */
+		,VDEF_LSLSLOPE  /* least squares line slope */
+		,VDEF_LSLINT    /* least squares line y_intercept */
+		,VDEF_LSLCORREL /* least squares line correlation coefficient */
 		};
 enum text_prop_en { TEXT_PROP_DEFAULT=0,   /* default settings */
 	            TEXT_PROP_TITLE,       /* properties for the title */
@@ -170,6 +173,7 @@ typedef struct image_desc_t {
     int            lazy;           /* only update the image if there is
 				      reasonable probablility that the
 				      existing one is out of date */
+    int		   slopemode;	   /* connect the dots of the curve directly, not using a stair */
     int            logarithmic;    /* scale the yaxis logarithmic */
     
     /* status information */
@@ -182,6 +186,7 @@ typedef struct image_desc_t {
     double         magfact;        /* numerical magnitude*/
     long         base;            /* 1000 or 1024 depending on what we graph */
     char           symbol;         /* magnitude symbol for y-axis */
+    float          viewfactor;     /* how should the numbers on the y-axis be scaled for viewing ? */
     int            unitsexponent;    /* 10*exponent for units on y-asis */
     int            unitslength;    /* width of the yaxis labels */
     int            extra_flags;    /* flags for boolean options */